<!-- begin main_page template -->
{%- for item in include.articles %}
  {%- assign step = forloop.index0 | modulo: 2 %}
  {%- if step == 0 %}
    {%- assign article_title = item %}
  {%- else %}
    {%- for page in site.pages %}
      {%- if page.title == article_title %}
        {%- include article_brief.html brief=item page=page last=forloop.parentloop.last %}
      {%- endif %}
    {%- endfor %}
  {%- endif %}
{%- endfor -%}
<!-- end main_page template -->
